* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

div {
    border: 1px solid #ccc;
    margin: 100px auto;
    display: none;
}

div ul {
    width: 100%;
    height: 100%;
}

div ul li:nth-child(1) {
    width: 100%;
    height: 30px;
    border-bottom: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
    align-content: center;
    padding: 0 10px;
}

div ul li:nth-child(2) {
    display: flex;
    justify-content: center;
    align-content: center;
}

div ul li:nth-child(2) span {
    padding: 6px 6px;
    border: 1px solid #ccc;
    margin: 50px 10px;
}

.btn {
    position: absolute;
    top: 0;
    left: 0;
}